Home / 361,387.18-542,081.96-91,515.17

Finding the Fourth Proportional to 361,387.18, 542,081.96 and 91,515.17

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Solution

The fourth proportional to 361,387.18, 542,081.96 and 91,515.17 is: 137,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,387.18 : 542,081.96 = 91,515.17 : x
  2. Step 2: Convert to fraction form
    361,387.18/542,081.96 = 91,515.17/x
  3. Step 3: Cross multiply
    361,387.18x = 542,081.96 × 91,515.17
  4. Step 4: Simplify right side
    361,387.18x = 49,608,722,723.33
  5. Step 5: Solve for x
    x = 49,608,722,723.33/361,387.18
  6. Step 6: Final answer
    x = 137,273.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.